SCSITaskDevice vs our own driver

[Charles Davis]

Alexandre Julliard wrote:
> Charles Davis <cdavis at mymail.mines.edu> writes:
> 
>> Eventually, I want to implement IOCTL_SCSI_PASS_THOROUGH on Mac OS. The
>> way I see it, there are two ways to do this:
>>
>> 1. Use the SCSITaskDevice interface. This is a CFPlugIn object provided
>> by the driver (it's like a COM object). We have to get exclusive access
>> (this requires all the handles to all device files to be closed, and the
>> disk unmounted), and then we can send whatever SCSI commands we like.
> 
> I don't think we can realistically require the device to be unmounted.
> Most apps will want to check for files too.
> 
Good point. Based on what Ken and you said, I think we'll have to write
our own driver. But, it's kernel-mode C++. I'm not sure you'd be willing
to accept that solution, either.